-70.67% is the change from 583 to 171
Calculation steps:
[( 171 - 583 ) ÷ 583] x 100 = -70.67%
Formula
Percentage change = [(171 - 583) / 583] x 100
Subtract the new number by the original number
171 - 583 = -412
-412 ÷ 583 = -0.7066895368782161
-0.7066895368782161 x 100 = -70.67%